Hewitt Lake Dam
Hewitt Lake Dam is an earth dam located in Logan County, Arkansas, built in 1964. It carries a Significant hazard potential classification.
About Hewitt Lake Dam
The primary purpose of Hewitt Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by W O Hewitt (private). It impounds the Sixmile Creek-tr near Caulksville.
The dam stands 16 feet tall and stretches 330 feet across, and has a maximum storage capacity of 77 acre-feet. Completed in 1964, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Arkansas |
| County | Logan |
| Nearest City | Caulksville |
| River/Stream | Sixmile Creek-tr |
| Coordinates | 35.29000, -93.88333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 330 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 56 acre-ft |
| Max Discharge | 339 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | W O Hewitt |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00878 |
| Federal ID | AR00878 |
| More Info | State Dam Safety Program |